Dahua DHI-LM55-S400 - 55 Inch 4K UHD CCTV Monitor
Product Features
- 55 inch 4K UHD (3840 x 2160) LED backlit screen, 60 Hz
- Designed for 24/7 operation, tamper-proof metal housing
- 2 x HDMI 2.0, 2 x DisplayPort 1.2, VGA, USB and RS-232, 2 x 5 W speakers
- Wall mount and remote control in the box
A large 4K screen for watching many CCTV cameras in sharp detail.
The Dahua DHI-LM55-S400 is a 55 inch 4K monitor. Plug it into your NVR or DVR (the recorder that stores your camera footage) and you'll see live and recorded video at 3840 x 2160. Dahua designs it for round-the-clock operation.
Also listed as LM55-S400.
Key features
- 55 inch 4K Ultra HD 3840 x 2160 screen
- Tamper-proof metal housing with a slim 8 mm bezel
- 450 cd/m² brightness and 1000:1 contrast
- 6 ms response time, so moving pictures stay clear
- 178° viewing angle, so the picture stays clear from the side
- 2 x HDMI 2.0, 2 x DisplayPort 1.2 and 1 x VGA inputs
- USB for media, RS-232 (RJ-45) for control, 2 x 5 W built-in speakers
- Built-in power supply: one mains cable, no external adapter
Who is it for?
Control rooms, security desks, warehouses and larger premises that want a wall-mounted screen showing many cameras at once.
What you'll need
- A recorder or PC with an HDMI, DisplayPort or VGA output. A 4K output uses the full resolution. See our CCTV recorders.
- An HDMI cable and wall mount are in the box.
- Wall fixings that suit your wall: the screen weighs 25.2 kg.
- The desk stand is an optional extra.
Starting from scratch? Our CCTV kits come with cameras and a recorder, or build your own with the CCTV kit builder.
Frequently asked questions
Will it work with my Hikvision, HiLook or Dahua recorder?
Yes. Any recorder with an HDMI, DisplayPort or VGA output will work, whatever the brand.
Can I leave it on all the time?
Yes. Dahua designs it for round-the-clock operation.
Does it come with a stand?
No. A wall mount is in the box; the stand is optional.
Does it have speakers?
Yes, two 5 W speakers, plus an audio input.
Do you install it?
No. We are a supplier, not an installer, and have been trading since 2012. We deliver within 1–2 working days to England, Scotland and Wales.
Technical specification
| Model | DHI-LM55-S400 |
|---|---|
| Screen size | 55 inch, 16:9 |
| Backlight | LED |
| Resolution | 3840 x 2160 (4K UHD) |
| Refresh rate | 60 Hz |
| Brightness | 450 cd/m² |
| Contrast ratio | 1000:1 |
| Colour depth | 10 bit (1.07 billion colours) |
| Response time | 6 ms |
| Viewing angle | 178° (H) / 178° (V) |
| Video inputs | 2 x HDMI 2.0, 2 x DisplayPort 1.2, 1 x VGA |
| Audio | 1 x audio in, 2 x 5 W speakers |
| Other ports | 1 x USB, 1 x RS-232 (RJ-45) |
| Power supply | 100–240 VAC ±10%, 50/60 Hz, built in |
| Power consumption | <170 W typical; standby ≤0.5 W |
| Bezel | 8 mm |
| Dimensions (without base) | 1227.2 x 699.6 x 65 mm |
| Net weight | 25.2 kg |
| Operating temperature | 0 °C to +40 °C, 10–85% humidity, indoor |
| In the box | HDMI cable, power cable, wall mount, remote control |
| Optional | Stand |
| Certification | CE, FCC |
For a 50 inch 4K screen, see the Dahua DHI-LM50-F400.
See the full Dahua range, visit our Wolverhampton trade counter, contact us or call us on 01902 902251.
| Product Code | DHI-LM55-S400 |
|---|---|
| Dimensions | 1227.2 x 699.6 x 65 mm (W x H x D, without base) |
| Manufacturer | Dahua |
| Colour | Black |
| Max Resolution | 8MP (4K) |
| Power | 100–240 VAC ±10%, 50/60 Hz, built-in PSU; <170 W typical |
| Power Features | Standby ≤0.5 W |
| Screen Size | 55 |
| Product Type | Monitor |
TECHNICAL SUPPORT
We provide tailored support for you and your CCTV system.
3 YEAR WARRANTY
Many of our Cameras and Recorders come with a comprehensive 3 year warranty.
COME & VISIT US
We've got a fully functioning show room and IP suite to show you exactly how our CCTV equipment works
FREE DELIVERY OVER £ 499
As cheap as £10, orders placed before 2:30pm are dispatched for delivery within 1–2 working days!
